IP Address Data Website

IPinfo

IPinfo is an IP address data website and API platform that provides geolocation, ASN, privacy detection, carrier, company, hosted-domain, IP range, abuse contact, and WHOIS-style network information.

Official site

ipinfo.io is the main public website for IPinfo.

Core data

IPinfo's documentation describes geolocation, ASN, privacy detection, carrier, hosted domains, abuse contact, and IP WHOIS data products.

API model

IPinfo provides API tiers and database products for developers, security teams, analytics teams, and network-aware applications.

IPinfo provides IP address data APIs and databases for geolocation, ASN, privacy detection, carrier, company, hosted-domain, and WHOIS-style use cases.View logo asset on IPinfo CDN

What IPinfo is

IPinfo official site is an IP address data service for looking up and integrating information about public IP addresses. Its developer documentation describes APIs and databases for geolocation, ASN details, privacy detection, mobile carrier data, hosted domains, abuse contacts, IP ranges, and IP WHOIS-style information.

IP address lookup

The basic idea is simple: start with an IP address and return structured context about it. Depending on the product tier, that context can include country, region, city, coordinates, timezone, postal code, autonomous system, ISP, network type, hosting status, anycast status, mobile indicators, and privacy-service signals.

Geolocation and ASN data

IPinfo's data-type documentation explains that geolocation is available across multiple API services, from country-level data to more detailed city and coordinate information. ASN data helps identify the network, organization, route, or provider associated with an address, which is useful for routing, fraud checks, analytics, and security context.

Privacy detection

Privacy detection tries to identify whether an IP address is associated with anonymization services such as VPNs, proxies, Tor, relays, hosting providers, or other privacy-related infrastructure. That signal can help risk scoring, abuse prevention, personalization, and compliance workflows, but it should be treated probabilistically rather than as a perfect identity marker.

WHOIS and network context

IPinfo's IP WHOIS documentation covers lookup patterns for network and allocation-style information. This kind of data helps developers and analysts connect IP addresses with routes, organizations, abuse contacts, and registration context, though it does not prove who a specific end user is.

Who uses IPinfo

IPinfo is used by developers, fraud teams, security teams, advertising platforms, analytics products, network operators, compliance teams, and support organizations. A product might use it to localize content, detect data-center traffic, enrich security logs, or understand where user traffic is likely coming from.

Limits and privacy

IP address data is useful but imperfect. IP addresses move, mobile networks roam, VPNs and relays hide origin, cloud providers reassign space, and geolocation can be approximate. Teams using IPinfo-style data should avoid treating an IP address as a person, an exact physical location, or proof of identity.

Why it matters

Many internet systems need to make fast decisions from limited network context. IPinfo matters because it turns raw IP addresses into structured signals that software can use for localization, abuse detection, routing decisions, security enrichment, analytics, and operational troubleshooting.

WHOIS domain data

Data pulled: May 23, 2026View current WHOIS record

Domain: ipinfo.io
IP address: 34.117.59.81
Registrar: 101domain GRS Limited
WHOIS server: whois.101domain.com
Referral URL: http://101domain.com
Created: April 23, 2013
Updated: March 25, 2023
Expires: April 23, 2028
Nameservers: ns-cloud-e1.googledomains.com (216.239.32.110); ns-cloud-e2.googledomains.com (216.239.34.110); ns-cloud-e3.googledomains.com (216.239.36.110); ns-cloud-e4.googledomains.com (216.239.38.110)
Domain status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Contact privacy: Registrant contact details are redacted by Digital Privacy Corporation.

Key concepts

IP geolocationestimating geographic context for an IP address, often at country, region, city, or coordinate granularity.
ASNan autonomous system number that identifies a network participating in internet routing.
Privacy detectionsignals that indicate VPNs, proxies, Tor, relays, hosting, or other anonymization-related infrastructure.
IP WHOISregistration and allocation-style data about IP networks, routes, and organizations.

Website features

Look up IP address context through web and API workflows.
Use APIs for geolocation, ASN, privacy detection, carrier, hosted-domain, abuse contact, and WHOIS data.
Download database products for batch, offline, or enterprise-scale workflows.
Integrate IP data into applications, security tools, analytics pipelines, and fraud systems.

Common misconceptions

IP geolocation is not GPS and should not be treated as an exact physical address.
An IP address does not uniquely identify a person, especially behind NAT, mobile networks, proxies, VPNs, or shared infrastructure.
Privacy detection signals can be useful without being perfect; false positives and false negatives are possible.
WHOIS and ASN data describe network registration and routing context, not necessarily the end user behind traffic.

Open questions

How can IP data providers improve accuracy while respecting privacy and regional regulation?
What confidence signals should applications show when IP geolocation is uncertain or fast-changing?
How should fraud teams combine IP intelligence with behavioral signals without overblocking legitimate users?
Will encrypted relays, VPNs, mobile roaming, and IPv6 adoption make IP-based context more approximate over time?